Generator Installation Cost
What does it really cost to install a whole home standby generator in Long Island and New York City? Here's everything you need to know before getting quotes.
Get My Free QuoteHow Much Does a Whole Home Generator Cost?
The total cost of a whole home standby generator installation in the Long Island and NYC area typically ranges from $7,000 to $20,000+, including equipment and labor. Here's a detailed breakdown.
All prices are estimates for the Long Island / NYC market. Your exact cost depends on factors below.
Cost Breakdown by Component
| Component | Typical Cost |
|---|---|
| Generator unit (10–16 kW) | $2,500–$5,000 |
| Generator unit (20–22 kW) | $4,000–$7,500 |
| Generator unit (24–26 kW) | $6,500–$10,000+ |
| Automatic Transfer Switch (ATS) | $700–$2,000 |
| Concrete or composite pad | $300–$800 |
| Gas line extension | $500–$2,000+ |
| Electrical work & wiring | $1,000–$3,000 |
| Permits & inspections | $500–$1,500 |
| Labor (total installation) | $2,000–$5,000 |
What Affects Installation Cost?
Every installation is different. These factors impact your final price.
Generator Size (kW)
The most significant cost factor. A 10 kW unit will cost significantly less than a 22 kW whole-home system. Your installer will calculate the right size based on your electrical load.
Fuel Type & Gas Line Distance
Natural gas is usually the most cost-effective option. If your gas meter is far from the ideal generator placement, the gas line extension adds cost. Propane requires a tank installation.
Electrical Panel Condition
If your electrical panel is outdated or already at capacity, upgrades may be needed before generator installation. This can add $1,000–$3,000 to your project.
Local Permits & Code Requirements
Long Island and NYC municipalities each have specific permitting and inspection requirements. Some areas have higher permit fees or more complex approval processes.
Site Accessibility & Placement
Generators must be placed a certain distance from windows, doors, and property lines. Difficult access, landscaping, or HVAC equipment can affect placement and cost.
Generator Brand
Premium brands like Generac, Kohler, and Cummins carry different price points. Your installer will help you balance budget with quality and warranty coverage.
Is a Standby Generator Worth the Cost?
For Long Island homeowners, the answer is almost always yes. The New York metro area regularly experiences multi-day power outages from nor'easters, tropical storms, and summer thunderstorms. The cost of a single major outage — spoiled food, hotel stays, frozen pipes, or sump pump failure — can quickly reach thousands of dollars.
Studies also show that homes with whole-home standby generators sell faster and at a premium — with some real estate experts estimating a return of 50–70% of installation cost at resale.
Generator Gators connects you with local installers who offer free, no-obligation quotes — so you can make an informed decision without any pressure.
Get a Free Generator Installation Quote
Find out exactly what installation will cost for your home — free, no obligation.
Generator Cost FAQs
Everything you need to know about standby generator installation.